User blog:Andreiva13/Question about pokemons

Hello, fellow pokemon lovers!

I have a question about pokemons, and that is :

How I can "discover" how to EV train a pokemon,I meam how i can know what is best at

ex:The Final Evolution of Piplup is good at Sp Attack, but idk why or where i can discover what is the best stat of a pokemon

Soryy for the horrible english!